rf antenna

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rf antenna

430 links - and 1 categories

Antennas : 2M
  • 2 Meter Vertical Moxon - A home made vertical polarized moxon antenna for 144 MHz, includes dimensions, antenna pattern, SWR and antenna gain plots by WB5CXC
    [ Hits: 2084 | Votes: 4 | Rating: 7.5 ]
Antennas : Beverage Antennas : End-Fed : End Fed Half Wave Antenna
  • End Fed Half Wave Antenna Coupler - Centre fed half wave dipoles make great, simple and effective antennas for the HF bands. Sometimes however, the centre feed is not ideal. This great project will improve the overall antenna performance.
    [ Hits: 1426 | Votes: 1 | Rating: 10 ]
Antennas : Feed Lines
  • Antenna feed impedance - Article on antenna feed impedance and the importance of matching RF andtennas to feeders, including notes on Radiation resistance, loss resistance, and efficiency are also detailed.
    [ Hits: 430 | Votes: 1 | Rating: 10 ]
Antennas : J-Pole
  • 6 m JPole Antenna - Based on original G2BCX design this J-Pole antenna for the six meter band is made with a homemade ribbon cable. The antenna shown in this article includes a coaxial cable choke feed to remove RF currents from flowing on the outer of the cable.
    [ Hits: 1767 | Votes: 6 | Rating: 6 ]
Antennas : Microwave
  • Archery Antenna for 13cm - A simple efficient and perfoming antenna similar to the short-backfire antenna project
    [ Hits: 255 | Votes: 1 | Rating: 10 ]
Antennas : Multiband
  • Classic Multiband Dipole - The Classic Multiband Dipole Antenna QST article. The open-wire feed line dipole antenna is easy to install and offers surprising performance on several bands. You can install it in almost any configuration; it does not have to be strung in the traditional horizontal flat top
    [ Hits: 2167 | Votes: 3 | Rating: 10 ]
Antennas : Resonant Feedline Dipole Antennas : Vertical
  • G8JNJ Broadband HF Vertical Antenna - Broadband HF Vertical antenna which does not require a tuner, and which is capable of providing reasonable performance on all bands from 7MHz to 28MHz
    [ Hits: 1449 | Votes: 1 | Rating: 10 ]
Manufacturers : Antennas : HF : Quad Antennas
  • Perfect Quad Antennas - Perfect Quad Co,Ltd japanese ham radio quad antenna manufacturer
    [ Hits: 934 | Votes: 2 | Rating: 1.5 ]
Manufacturers : Interfaces
  • Universal Tuner Interface - An universal antenna tuner interface, the Kenwood Remote LDG Tuner Interface by af6sa
    [ Hits: 358 | Votes: 0 | Rating: 0 ]
Manufacturers : Remote Control
  • RemoteShack.com - Manufacture remote control interfaces to manage several kind of ham radio transceivers, Antenna rotators and antenna switches. Control can be done using smartphone Apps or from Computers.
    [ Hits: 521 | Votes: 0 | Rating: 0 ]
Radio Equipment : Antenna Analyzers : Array Solutions AIM 4170D
  • AIM 4170 CQ Review - Array Solutions AIM 4170 Antenna/Lab RF Analizer published on CQ by AD5X
    [ Hits: 260 | Votes: 0 | Rating: 0 ]
Radio Equipment : Antenna Analyzers : MFJ-259B
  • Calibrating the MFJ-259B Antenna Analyzer - This calibration procedure is the correct procedure for later MFJ-259B's. Disregard any other information. Since MFJ-259B software has been changed under the same model number, you may find some final performance test steps not valid. These steps will involve parameters that do not appear on the display.
    [ Hits: 634 | Votes: 4 | Rating: 1.25 ]
Shopping and Services : Kits and Components
  • Transverters-Store - Transverters-Store is a online shop for low cost transverter boards, but also QRP transceivers, Active antennas, RF bridge and probes, Mic equalizers and other amateur radio accessories
    [ Hits: 691 | Votes: 3 | Rating: 5.67 ]
Technical Reference : Arduino
  • Arduino MFJ tuner control - An Arduino uno based project to control an MFJ 998 antenna tuner via Icom CI-V interface by VE1ZAC
    [ Hits: 822 | Votes: 0 | Rating: 0 ]
  • Arduino Rotator Controller - Aduino-based Amateur Radio Antenna Rotator Controller that can emulate the Yaesu GS-232A or GS-232B interface by K3NG
    [ Hits: 872 | Votes: 2 | Rating: 10 ]
Technical Reference : Radio Frequency Interference
  • RF Problems and the HF Vertical Antenna - Are you having RF problems in the shack since you put up your HF vertical antenna? This is a common problem with an easy solution.
    [ Hits: 1582 | Votes: 9 | Rating: 6.33 ]

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